Fully implement the audio ports extension

src/plugin/bridges/clap-impls/plugin-proxy.cpp

@@ -201,8 +201,9 @@ clap_plugin_proxy::ext_audio_ports_count(const clap_plugin_t* plugin,
     assert(plugin && plugin->plugin_data);
     auto self = static_cast<const clap_plugin_proxy*>(plugin->plugin_data);
 
-    // TODO: Implement
-    return 0;
+    return self->bridge_.send_main_thread_message(
+        clap::ext::audio_ports::plugin::Count{
+            .instance_id = self->instance_id(), .is_input = is_input});
 }
 
 bool CLAP_ABI
@@ -213,6 +214,17 @@ clap_plugin_proxy::ext_audio_ports_get(const clap_plugin_t* plugin,
     assert(plugin && plugin->plugin_data && info);
     auto self = static_cast<const clap_plugin_proxy*>(plugin->plugin_data);
 
-    // TODO: Implement
-    return false;
+    const clap::ext::audio_ports::plugin::GetResponse response =
+        self->bridge_.send_main_thread_message(
+            clap::ext::audio_ports::plugin::Get{
+                .instance_id = self->instance_id(),
+                .index = index,
+                .is_input = is_input});
+    if (response.result) {
+        response.result->reconstruct(*info);
+
+        return true;
+    } else {
+        return false;
+    }
 }

src/plugin/bridges/clap.cpp

@@ -81,6 +81,36 @@ ClapPluginBridge::ClapPluginBridge(const ghc::filesystem::path& plugin_path)
 
                     return Ack{};
                 },
+                [&](const clap::ext::audio_ports::host::IsRescanFlagSupported&
+                        request)
+                    -> clap::ext::audio_ports::host::IsRescanFlagSupported::
+                        Response {
+                            const auto& [plugin_proxy, _] =
+                                get_proxy(request.owner_instance_id);
+
+                            // We'll ignore the main thread requirement for
+                            // simple lookup functions like this for
+                            // performance's sake
+                            return plugin_proxy.extensions_.audio_ports
+                                ->is_rescan_flag_supported(plugin_proxy.host_,
+                                                           request.flag);
+                        },
+                [&](const clap::ext::audio_ports::host::Rescan& request)
+                    -> clap::ext::audio_ports::host::Rescan::Response {
+                    const auto& [plugin_proxy, _] =
+                        get_proxy(request.owner_instance_id);
+
+                    plugin_proxy
+                        .run_on_main_thread(
+                            [&, host = plugin_proxy.host_,
+                             audio_ports =
+                                 plugin_proxy.extensions_.audio_ports]() {
+                                audio_ports->rescan(host, request.flags);
+                            })
+                        .wait();
+
+                    return Ack{};
+                },
             });
     });
 }

src/plugin/meson.build

@@ -77,6 +77,7 @@ if with_clap
     '../common/notifications.cpp',
     '../common/plugins.cpp',
     '../common/process.cpp',
+    '../common/serialization/clap/ext/audio-ports.cpp',
     '../common/serialization/clap/host.cpp',
     '../common/serialization/clap/plugin.cpp',
     '../common/utils.cpp',